Piston Kit. Standard Size. Fits 03-04 YFZ450 & 03-04 WRF450 4T

Part #: NA-40009

All Namura Pistons have molybedenium/teflon skirt coatings for the least possible resistance and extended life as well as anodized domes for superior heat resistance. Complete with piston, ring(s), wrist pin and circlips.